What are gravitational waves? - Amber L. Stuver
AdultsPhysicsScienceSpace In September 2015, scientists witnessed something never seen before: two black holes colliding. Both about 30 times as big as our Sun, they had been orbiting each other for millions of years. A fraction of a second before the crash, they sent a vibration across the universe at the speed of light that was picked up by the LIGO detector. So what are these ripples in space? Amber L. Stuver explains.
The Scientific Method
KidsScienceEducation The Scientific Method is a way to ask and answer questions about the world in a logical way.
How Imaginary Numbers Were Invented
AdultsHistoryHumanScienceMath... A general solution to the cubic equation was long considered impossible, until we gave up the requirement that math reflect reality.
Why is this 2,500 year old shipwreck so well-preserved?
AdultsConstructionHistoryScience Discover the unique conditions that make the Black Sea host to dozens of shipwrecks that date back thousands of years.
What Dinosaurs ACTUALLY Looked Like?
AdultsHistoryLifeNatureScienceEducation... The past is a vast and mysterious land that begins at the big bang and ends in the present, expanding with each passing moment. It is the home of everything that came before, the key to understanding our present.
How to Photograph the Night Sky | National Geographic
AdultsCreativityEducationHumanPhotographyScience... NASCAR driver and photography enthusiast, Bubba Wallace, and National Geographic Photographer Babak Tafreshi demonstrate how to take nighttime photos of the sky. Paid Content for Columbia.
Earth's mysterious red glow, explained - Zoe Pierrat
AdultsEducationScienceSpaceNatureBiology... Explore the phenomenon and uses of chlorophyll fluorescence, a small amount of light emitted by plants during photosynthesis.
This Virus Shouldn't Exist (But it Does)
AdultsBiologyEducationScience Hidden in the microverse all around you, there is a merciless war being fought by the true rulers of this planet, microorganisms.
How Distant Galaxies Mess With Our Lives
AdultsLifeScienceSpacePhysics... Tiny particles from distant galaxies have caused plane accidents, election interference and game glitches. This video is sponsored by Brilliant.
How the Kushites Took Over Egypt | Flooded Tombs of the Nile
AdultsHistoryHumanScienceCulture... The Kushites and the Egyptians have a long history that is often forgotten about. Archeologist excavating a Kushite tomb discuss just how interconnected the two cultures were as they discover new artifacts within the tomb.
The method that can "prove" almost anything - James A. Smith
AdultsHistoryHumanScienceData Science... Explore the data analysis method known as p-hacking, where data is misrepresented as statistically significant.
The Largest Black Hole in the Universe - Size Comparison
AdultsEducationScienceSpace The Black Hole story continues with our Black Hole merch, spanning the whole range from somewhat bonkers to more serious.
The Simplest Math Problem No One Can Solve
AdultsEducationHistoryMathScience... The Collatz Conjecture is the simplest math problem no one can solve — it is easy enough for almost anyone to understand but notoriously difficult to solve.
Why You Should Want Driverless Cars On Roads Now
AdultsArtificial IntelligenceIndustryScienceTechnologyTransportation... How close are we to having fully autonomous vehicles on the roads? Are they safe? In Chandler, Arizona a fleet of Waymo vehicles are already in operation. Waymo sponsored this video and provided access to their technology and personnel. Check out their safety report here: